Home / 10,778.49-16,137.63-5,830.38

Finding the Fourth Proportional to 10,778.49, 16,137.63 and 5,830.38

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Solution

The fourth proportional to 10,778.49, 16,137.63 and 5,830.38 is: 8,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.49 : 16,137.63 = 5,830.38 : x
  2. Step 2: Convert to fraction form
    10,778.49/16,137.63 = 5,830.38/x
  3. Step 3: Cross multiply
    10,778.49x = 16,137.63 × 5,830.38
  4. Step 4: Simplify right side
    10,778.49x = 94,088,515.20
  5. Step 5: Solve for x
    x = 94,088,515.20/10,778.49
  6. Step 6: Final answer
    x = 8,729.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.